Material Drying
4 görüntüleme
PPSU extruded profiles
Sorun Belirtisi
PPSU extruded profiles have bubbles or streaks; insufficient drying or improper process.
Neden Analizi
PPSU extrusion with wet resin causes severe blistering or streaks; moisture content <100ppm requirement is stricter; melt temperature uniform; mold design; cooling control.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Çözüm
①Extrusion drying <100ppm; ②uniform melt temperature; ③mold temperature management; ④cooling optimization; ⑤online inspection.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
The 100ppm of PPSU extrusion is a stricter standard; uniformity management runs throughout; inspection ensures quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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